Offseason
- October 19, 1954: Peanuts Lowrey was released by the Cardinals.
- November 22, 1954: Jim King was drafted from the Cardinals by the Chicago Cubs in the 1954 rule 5 draft.
- November 30, 1954: Benny Valenzuela was drafted by the Cardinals from the Bisbee-Douglas Copper Kings in the 1954 minor league draft.
- December 8, 1954: Ray Jablonski and Gerry Staley were traded by the Cardinals to the Cincinnati Redlegs for Frank Smith.
- Prior to 1955 season: Duke Carmel was signed as an amateur free agent by the Cardinals.
Read more about this topic: 1955 St. Louis Cardinals Season